1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
|
/*
* Copyright 2012-2013, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Artur Wyszynski, harakash@gmail.com
* Alexander von Gluck IV, kallisti5@unixzen.com
*/
#include "GLView.h"
#include "main/context.h"
#include "main/framebuffer.h"
#include "main/renderbuffer.h"
#include "pipe/p_format.h"
#include "util/u_atomic.h"
#include "util/u_memory.h"
#include "hgl_context.h"
#ifdef DEBUG
# define TRACE(x...) printf("hgl:state_tracker: " x)
# define CALLED() TRACE("CALLED: %s\n", __PRETTY_FUNCTION__)
#else
# define TRACE(x...)
# define CALLED()
#endif
#define ERROR(x...) printf("hgl:state_tracker: " x)
static boolean
hgl_st_framebuffer_flush_front(struct st_context_iface *stctx,
struct st_framebuffer_iface* stfb, enum st_attachment_type statt)
{
CALLED();
struct hgl_context* context = (struct hgl_context*)stfb->st_manager_private;
if (!context) {
ERROR("%s: Couldn't obtain valid hgl_context!\n", __func__);
return FALSE;
}
#if 0
struct stw_st_framebuffer *stwfb = stw_st_framebuffer(stfb);
pipe_mutex_lock(stwfb->fb->mutex);
struct pipe_resource* resource = textures[statt];
if (resource)
stw_framebuffer_present_locked(...);
#endif
return TRUE;
}
/**
* Called by the st manager to validate the framebuffer (allocate
* its resources).
*/
static boolean
hgl_st_framebuffer_validate(struct st_context_iface *stctx,
struct st_framebuffer_iface *stfbi, const enum st_attachment_type *statts,
unsigned count, struct pipe_resource **out)
{
CALLED();
if (!stfbi) {
ERROR("%s: Invalid st framebuffer interface!\n", __func__);
return FALSE;
}
struct hgl_context* context = (struct hgl_context*)stfbi->st_manager_private;
if (!context) {
ERROR("%s: Couldn't obtain valid hgl_context!\n", __func__);
return FALSE;
}
int32 width = 0;
int32 height = 0;
get_bitmap_size(context->bitmap, &width, &height);
struct pipe_resource templat;
memset(&templat, 0, sizeof(templat));
templat.target = PIPE_TEXTURE_RECT;
templat.width0 = width;
templat.height0 = height;
templat.depth0 = 1;
templat.array_size = 1;
templat.usage = PIPE_USAGE_DEFAULT;
if (context->stVisual && context->manager && context->manager->screen) {
TRACE("%s: Updating resources\n", __func__);
for (unsigned i = 0; i < count; i++) {
enum pipe_format format = PIPE_FORMAT_NONE;
unsigned bind = 0;
switch(statts[i]) {
case ST_ATTACHMENT_FRONT_LEFT:
case ST_ATTACHMENT_BACK_LEFT:
format = context->stVisual->color_format;
bind = PIPE_BIND_DISPLAY_TARGET
| PIPE_BIND_RENDER_TARGET;
break;
case ST_ATTACHMENT_DEPTH_STENCIL:
format = context->stVisual->depth_stencil_format;
bind = PIPE_BIND_DEPTH_STENCIL;
break;
case ST_ATTACHMENT_ACCUM:
format = context->stVisual->accum_format;
bind = PIPE_BIND_RENDER_TARGET;
break;
default:
format = PIPE_FORMAT_NONE;
break;
}
if (format != PIPE_FORMAT_NONE) {
templat.format = format;
templat.bind = bind;
struct pipe_screen* screen = context->manager->screen;
context->textures[i] = screen->resource_create(screen, &templat);
out[i] = context->textures[i];
}
}
}
return TRUE;
}
static int
hgl_st_manager_get_param(struct st_manager *smapi, enum st_manager_param param)
{
CALLED();
switch (param) {
case ST_MANAGER_BROKEN_INVALIDATE:
TRACE("%s: TODO: How should we handle BROKEN_INVALIDATE calls?\n",
__func__);
// For now we force validation of the framebuffer.
return 1;
}
return 0;
}
/**
* Create new framebuffer
*/
struct hgl_buffer *
hgl_create_st_framebuffer(struct hgl_context* context)
{
CALLED();
struct hgl_buffer *buffer = CALLOC_STRUCT(hgl_buffer);
assert(context);
assert(context->stVisual);
if (buffer) {
// Copy context visual into framebuffer
memcpy(&buffer->visual, context->stVisual, sizeof(struct st_visual));
// calloc and configure our st_framebuffer interface
buffer->stfbi = CALLOC_STRUCT(st_framebuffer_iface);
if (!buffer->stfbi) {
ERROR("%s: Couldn't calloc framebuffer!\n", __func__);
return NULL;
}
struct st_framebuffer_iface* stfbi = buffer->stfbi;
p_atomic_set(&stfbi->stamp, 1);
stfbi->flush_front = hgl_st_framebuffer_flush_front;
stfbi->validate = hgl_st_framebuffer_validate;
stfbi->st_manager_private = (void*)context;
stfbi->visual = &buffer->visual;
// TODO: Do we need linked list?
}
return buffer;
}
struct st_manager *
hgl_create_st_manager(struct pipe_screen* screen)
{
CALLED();
assert(screen);
struct st_manager* manager = CALLOC_STRUCT(st_manager);
if (!manager) {
ERROR("%s: Couldn't allocate state tracker manager!\n", __func__);
return NULL;
}
//manager->display = dpy;
manager->screen = screen;
manager->get_param = hgl_st_manager_get_param;
return manager;
}
void
hgl_destroy_st_manager(struct st_manager *manager)
{
CALLED();
FREE(manager);
}
struct st_visual*
hgl_create_st_visual(ulong options)
{
struct st_visual* visual = CALLOC_STRUCT(st_visual);
if (!visual) {
ERROR("%s: Couldn't allocate st_visual\n", __func__);
return NULL;
}
// Calculate visual configuration
const GLboolean rgbFlag = ((options & BGL_INDEX) == 0);
const GLboolean alphaFlag = ((options & BGL_ALPHA) == BGL_ALPHA);
const GLboolean dblFlag = ((options & BGL_DOUBLE) == BGL_DOUBLE);
const GLboolean stereoFlag = false;
const GLboolean depthFlag = ((options & BGL_DEPTH) == BGL_DEPTH);
const GLboolean stencilFlag = ((options & BGL_STENCIL) == BGL_STENCIL);
const GLboolean accumFlag = ((options & BGL_ACCUM) == BGL_ACCUM);
const GLint red = rgbFlag ? 8 : 5;
const GLint green = rgbFlag ? 8 : 5;
const GLint blue = rgbFlag ? 8 : 5;
const GLint alpha = alphaFlag ? 8 : 0;
TRACE("rgb :\t%d\n", (bool)rgbFlag);
TRACE("alpha :\t%d\n", (bool)alphaFlag);
TRACE("dbl :\t%d\n", (bool)dblFlag);
TRACE("stereo :\t%d\n", (bool)stereoFlag);
TRACE("depth :\t%d\n", (bool)depthFlag);
TRACE("stencil :\t%d\n", (bool)stencilFlag);
TRACE("accum :\t%d\n", (bool)accumFlag);
TRACE("red :\t%d\n", red);
TRACE("green :\t%d\n", green);
TRACE("blue :\t%d\n", blue);
TRACE("alpha :\t%d\n", alpha);
// Determine color format
if (red == 8) {
// Color format
if (alpha == 8)
visual->color_format = PIPE_FORMAT_B8G8R8A8_UNORM;
else
visual->color_format = PIPE_FORMAT_B8G8R8X8_UNORM;
// Depth buffer
if (depthFlag)
visual->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
else
visual->depth_stencil_format = PIPE_FORMAT_NONE;
} else {
visual->color_format = PIPE_FORMAT_B5G6R5_UNORM;
// TODO: Indexed color depth buffer?
visual->depth_stencil_format = PIPE_FORMAT_NONE;
}
visual->accum_format = (options & BGL_ACCUM)
? PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;
visual->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
visual->render_buffer = ST_ATTACHMENT_FRONT_LEFT;
if (dblFlag) {
visual->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
visual->render_buffer = ST_ATTACHMENT_BACK_LEFT;
}
if (stereoFlag) {
visual->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
if (dblFlag)
visual->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
}
if ((options & BGL_DEPTH) || (options & BGL_STENCIL))
visual->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK;
return visual;
}
void
hgl_destroy_st_visual(struct st_visual* visual)
{
CALLED();
FREE(visual);
}
|